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Articles by Haiyang Zhu
Total Records ( 2 ) for Haiyang Zhu
  Lianjun Liu , Bin Liu , Lihui Dong , Jie Zhu , Haiqin Wan , Keqin Sun , Bin Zhao , Haiyang Zhu , Lin Dong and Yi Chen
  In situ FT-IR was employed to investigate CO or/and NO interaction with CuO supported on Ce0.67Zr0.33O2 (hereafter denoted as CZ) catalysts. The physicochemical properties of CuO–CZ were also studied by combination of XRD, TPR and NO + CO activity tests. The results indicated that the dispersed CuO species were the main active components for this reaction. The catalysts showed different activities and selectivities at low and high temperatures, which should be resulted from the reduction of dispersed copper oxide species. This reaction went through different mechanisms at low and high temperatures due to the change of active species. FT-IR results suggested: (1) CO was activated by oxygen originating from CZ support, which led to surface carbonates formation, and partial dispersed CuO was reduced to Cu+ species above 150 °C; (2) NO interacted with the dispersed CuO and formed several types of nitrite/nitrate species, whereas crystalline CuO made little contribution to the formation of new NO adsorbates; (3) NO was preferentially adsorbed on CuO–CZ catalysts compared with CO in the reactants mixture. These adsorbed nitrite/nitrate species exhibited different thermal stability and reacted with CO at 250 °C. As a result, a possible mechanism was tentatively proposed to approach NO reduction by CO over CuO–CZ catalyst.
  Yongfeng Sun , Tongao Yang , Jingtao Hu , Zhe Hao , Yujian Sui , Yingying Fu , Lu Chen , Haiyang Zhu and Wei Wu
  The muscular tissue of breast was dissected from 8 weeks old Jilin White goose in the present study. The big fragment PCR Method was used to amplify double-strand cDNA based on the SMART techniques for construction of a full-length cDNA library. After digestion with restriction endonuclease Sfi |, a modified vector of pBluescript II SK-plasmid with the adaptors containing Sfi |A and Sfi |B sites was used to recombine with the cDNA products amplified. The recombinants were cloned by transformation into competent Escherichia coli DH2α. A plasmid cDNA library with goose muscle was constructed. The results showed that the titer of the cDNA library was 1.01x106 pfu mL-1 and the percentage of recombinant clones was 97%. The length of most cDNA inserted was between 0.25 and 1.6 kb identified by gel electrophoresis after cDNA PCR amplification. The unigene ratio was 66.7% and the percentage of complete cDNA sequences was 80% by estimating from the 24 clones sequenced randomly. It is helpful to study muscle development of goose at molecular level in the future.
 
 
 
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